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My name is Emma Xu, a mechanical engineering PhD Candidate at Columbia University. I study the optical properties of lanthanide-based upconverting nanoparticles. I am also the co-founder and CEO of Avant Photonics.

You can find my current and previous scientific projects under the Research tab. I also blog about science, philosophy, books, traveling, and art.

In the news:

Forbes 30 under 30

Columbia Engineering: Emma Xu Named to the Forbes 30 Under 30 List

Columbia Spectator: Three Columbia students, 12 alumni named to Forbes ‘30 Under 30 Class of 2023’

UT Dallas: Two Comets Shine Brightly on Forbes’ 30 Under 30 for Science List

The Mercury: Alumnus awarded Forbes science honor

CYDP华裔青年新精英网络: 哥大工学院华裔博士生研究登自然杂志